Ionian vs Piazza
Ionian (Sherwin-Williams) and Piazza (Tikkurila) come from different manufacturers. Ionian reads as blue, while Piazza reads as beige-greige — two distinct hue families, not close cousins. The 45-point LRV gap — 65 for Piazza vs 20 for Ionian — means Piazza will open up a space more effectively. A ΔE of 44.1 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Ionian vs Piazza Simulated Comparison
5 simulated room previews — drag the slider on each to see Ionian on one side and Piazza on the other.
Digital color is approximate. These simulations are generated from the manufacturer's hex values and overlaid on grayscale room photos — your screen's calibration, brightness, and viewing angle all affect how they render. Before committing to either color, test physical samples in your own space under the light you actually live with.
More Ionian comparisons
See how Ionian stacks up against other well-photographed colors across different brands and tones.
